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Legal deadlines

The Federal Ministry of Finance decided to introduce mandatory e-invoicing for companies. From 1 January 2025, companies must be able to receive and process invoices in a structured electronic format. Sending such invoices will also become mandatory - although a transitional period of two years will be granted here. 

This means that paper invoices may continue to be sent until 31 December 2026. Until then, invoices in other electronic formats such as PDF may only be sent with the recipient's consent. 

From 1 January 2027, sending invoices will be mandatory for companies with a turnover of more than 800,000 euros in the previous year. 

From 1 January 2028, this obligation will finally be extended to all companies in the B2B sector.

What do you need?

To fulfil the new legal requirements, you need:

• Software that can create and process e-invoices: These must be available in a structured format, for example as pure XML data or as a combination of XML and PDF.
• Technical infrastructure: Ensure that your IT systems and business processes are adapted to the new requirements.

Our offer for you

The e-invoice functionality is currently being implemented so that you can both create and receive e-invoices within the ERP/MIS software. We offer you the following:

• Comprehensive information: You will be informed in good time and in detail about the new functions so that you and your employees are fully prepared.
• Customer support: Your theurer.com support team is always available to answer your questions and help you with any uncertainties regarding the changeover.
• Regular updates: You will be kept up to date on the progress of the implementation and the latest developments through regular newsletters.

The X invoice format will be provided in the C3 standard until the legal obligation is met. You can then obtain this with an update from C3 to the latest version. Please note that this will only be available in the standard version for C3.2020 and an upgrade may therefore be necessary if you are still using C3.2012. If you have any questions about the upgrade, please contact Ms. Yaylaci. If you wish, a function that generates invoices in XML format (X-invoice) can already be installed today. 

Other established formats such as Factur-X/ZUGFeRD (Zentraler User Guide des Forums elektronische Rechnung Deutschland; Central User Guide of the German Electronic Invoicing Forum) are also supported. These standards enable seamless and legally compliant transmission and processing of e-invoices in international and national business transactions.

Frequently asked questions (FAQs)